In line with some of the new features found in Safari for OS X Mavericks, the Mountain Lion version has been updated with support for the new sidebar, Shared Links, and improved power-efficiency. Get it from the Software Update tab in the App Store.

Today, Apple has begun seeding new versions of OS X Mountain Lion, iTunes, Safari and Java to Apple employees. The new OS X build is version 10.8.5, and it is a supplemental update to the version that was publicly released last month. Last week, we noted that Apple was preparing this new version with bug fixes for MacBook Airs, USB, and HDMI, and today’s new seed is a higher build number (12F45 versus 12F42). This indicates that Apple is making progress on the release and that the launch is nearing for customers…